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Fri, 5 Jun 2020 18:56:15 +0800 From: Dongchun Zhu To: , , , , , , , , , , CC: , , , , , , , , Subject: [V7, 0/2] media: i2c: Add support for DW9768 VCM driver Date: Fri, 5 Jun 2020 18:54:10 +0800 Message-ID: <20200605105412.18813-1-dongchun.zhu@mediatek.com> X-Mailer: git-send-email 2.9.2 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Content-Transfer-Encoding: base64 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org SGVsbG8sDQoNClRoaXMgc2VyaWVzIGFkZHMgRFQgYmluZGluZ3MgYW5kIFY0TDIgc3ViLWRldmlj ZSBkcml2ZXIgZm9yIERvbmd3b29uJ3MgRFc5NzY4LA0Kd2hpY2ggaXMgYSAxMC1iaXQgREFDIHdp dGggMTAwbUEgb3V0cHV0IGN1cnJlbnQgc2luayBjYXBhYmlsaXR5Lg0KDQpUaGUgZHJpdmVyIGNv bnRyb2xzIHRoZSBwb3NpdGlvbiB3aXRoIDEwLWJpdCBEQUMgZGF0YSBEWzk6MF0gYW5kIHNlcGVy YXRlcw0KdHdvIDgtYml0IHJlZ2lzdGVycyB0byBjb250cm9sIHRoZSBWQ00gcG9zaXRpb24gYXMg YmVsb3dzLg0KREFDX01TQjogRFs5OjhdKEFERFI6IDB4MDMpOg0KICAgICArLS0tKy0tLSstLS0r LS0tKy0tLSstLS0rLS0tKy0tLSsNCiAgICAgfC0tLXwtLS18LS0tfC0tLXwtLS18LS0tfEQwOXxE MDh8DQogICAgICstLS0rLS0tKy0tLSstLS0rLS0tKy0tLSstLS0rLS0tKw0KREFDX0xTQjogRFs3 OjBdKEFERFI6IDB4MDQpOg0KICAgICArLS0tKy0tLSstLS0rLS0tKy0tLSstLS0rLS0tKy0tLSsN CiAgICAgfEQwN3xEMDZ8RDA1fEQwNHxEMDN8RDAyfEQwMXxEMDB8DQogICAgICstLS0rLS0tKy0t LSstLS0rLS0tKy0tLSstLS0rLS0tKw0KDQpUaGlzIGRyaXZlciBzdXBwb3J0czoNCiAtIHNldCBE Vzk3NjggdG8gc3RhbmRieSBtb2RlIG9uY2Ugc3VzcGVuZCBhbmQgdHVybiBpdCBiYWNrIHRvIGFj dGl2ZSBpZiByZXN1bWUNCiAtIHNldCB0aGUgZGVzaXJlZCBmb2N1cyB2aWEgVjRMMl9DSURfRk9D VVNfQUJTT0xVVEUgY3RybA0KDQpQcmV2aW91cyB2ZXJzaW9ucyBvZiB0aGlzIHBhdGNoLXNldCBj YW4gYmUgZm91bmQgaGVyZToNCnY2OiBodHRwczovL2xvcmUua2VybmVsLm9yZy9saW51eC1tZWRp YS8yMDIwMDUxODEzMjczMS4yMDg1NS0xLWRvbmdjaHVuLnpodUBtZWRpYXRlay5jb20vDQp2NTog aHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGludXgtbWVkaWEvMjAyMDA1MDIxNjE3MjcuMzA0NjMt MS1kb25nY2h1bi56aHVAbWVkaWF0ZWsuY29tLw0KdjQ6IGh0dHBzOi8vbG9yZS5rZXJuZWwub3Jn L2xpbnV4LW1lZGlhLzIwMjAwMzMwMTIzNjM0LjM2My0xLWRvbmdjaHVuLnpodUBtZWRpYXRlay5j b20vDQp2MzogaHR0cHM6Ly9sb3JlLmtlcm5lbC5vcmcvbGludXgtbWVkaWEvMjAyMDAyMjgxNTU5 NTguMjA2NTctMS1kb25nY2h1bi56aHVAbWVkaWF0ZWsuY29tLw0KdjI6IGh0dHBzOi8vbG9yZS5r ZXJuZWwub3JnL2xpbnV4LW1lZGlhLzIwMTkwOTA1MDcyMTQyLjE0NjA2LTEtZG9uZ2NodW4uemh1 QG1lZGlhdGVrLmNvbS8NCnYxOiBodHRwczovL2xvcmUua2VybmVsLm9yZy9saW51eC1tZWRpYS8y MDE5MDcwODEwMDY0MS4yNzAyLTEtZG9uZ2NodW4uemh1QG1lZGlhdGVrLmNvbS8NCg0KTWFpbmx5 IGNoYW5nZXMgb2YgdjcgYXJlIGFkZHJlc3NpbmcgY29tbWVudHMgZnJvbSBSb2IsIFNha2FyaSwg VG9tYXN6Lg0KQ29tcGFyZWQgdG8gdjY6DQogLSBSZWZpbmUgRFQgYmluZGluZ3MNCiAtIFVzZSBp MmNfc21idXNfcmVhZF9ieXRlX2RhdGEoKSBkaXJlY3RseSB0byByZXBsYWNlIG9mIGR3OTc2OF9y ZWFkX3NtYnVzKCkNCiAtIENhbGN1bGF0ZSBvcGVyYXRpb24gdGltZSBiYXNlZCBvbiB0aGUgY29u ZmlndXJlZCBib2FyZC1zcGVjaWZpYyBEVCBzZXR0aW5ncw0KIC0gQWJzdHJhY3QgYXN5bmMgcmVn aXN0ZXIgZXJyb3IgaGFuZGxpbmcgY2FzZQ0KIC0gRml4IG90aGVyIHJldmlldyBjb21tZW50cyBp biB2Ng0KDQpQbGVhc2UgcmV2aWV3Lg0KVGhhbmtzLg0KDQpEb25nY2h1biBaaHUgKDIpOg0KICBt ZWRpYTogZHQtYmluZGluZ3M6IG1lZGlhOiBpMmM6IERvY3VtZW50IERXOTc2OCBiaW5kaW5ncw0K ICBtZWRpYTogaTJjOiBkdzk3Njg6IEFkZCBEVzk3NjggVkNNIGRyaXZlcg0KDQogLi4uL2JpbmRp bmdzL21lZGlhL2kyYy9kb25nd29vbixkdzk3NjgueWFtbCAgICAgICAgfCAxMDAgKysrKw0KIE1B SU5UQUlORVJTICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIHwgICA4ICsN CiBkcml2ZXJzL21lZGlhL2kyYy9LY29uZmlnICAgICAgICAgICAgICAgICAgICAgICAgICB8ICAx MyArDQogZHJpdmVycy9tZWRpYS9pMmMvTWFrZWZpbGUgICAgICAgICAgICAgICAgICAgICAgICAg fCAgIDEgKw0KIGRyaXZlcnMvbWVkaWEvaTJjL2R3OTc2OC5jICAgICAgICAgICAgICAgICAgICAg ICAgIHwgNTY2ICsrKysrKysrKysrKysrKysrKysrKw0KIDUgZmlsZXMgY2hhbmdlZCwgNjg4IGlu c2VydGlvbnMoKykNCiBjcmVhdGUgbW9kZSAxMDA2NDQgRG9jdW1lbnRhdGlvbi9kZXZpY2V0cmVl L2JpbmRpbmdzL21lZGlhL2kyYy9kb25nd29vbixkdzk3NjgueWFtbA0KIGNyZWF0ZSBtb2RlIDEw MDY0NCBkcml2ZXJzL21lZGlhL2kyYy9kdzk3NjguYw0KDQotLSANCjIuOS4yDQo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E755AC433E1 for ; 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Fri, 5 Jun 2020 18:56:18 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 5 Jun 2020 18:56:15 +0800 From: Dongchun Zhu To: , , , , , , , , , , Subject: [V7, 0/2] media: i2c: Add support for DW9768 VCM driver Date: Fri, 5 Jun 2020 18:54:10 +0800 Message-ID: <20200605105412.18813-1-dongchun.zhu@mediatek.com> X-Mailer: git-send-email 2.9.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200605_040626_795442_5B59418B X-CRM114-Status: UNSURE ( 7.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, shengnan.wang@mediatek.com, sj.huang@mediatek.com, linux-mediatek@lists.infradead.org, dongchun.zhu@mediatek.com, louis.kuo@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Hello, This series adds DT bindings and V4L2 sub-device driver for Dongwoon's DW9768, which is a 10-bit DAC with 100mA output current sink capability. The driver controls the position with 10-bit DAC data D[9:0] and seperates two 8-bit registers to control the VCM position as belows. DAC_MSB: D[9:8](ADDR: 0x03): +---+---+---+---+---+---+---+---+ |---|---|---|---|---|---|D09|D08| +---+---+---+---+---+---+---+---+ DAC_LSB: D[7:0](ADDR: 0x04): +---+---+---+---+---+---+---+---+ |D07|D06|D05|D04|D03|D02|D01|D00| +---+---+---+---+---+---+---+---+ This driver supports: - set DW9768 to standby mode once suspend and turn it back to active if resume - set the desired focus via V4L2_CID_FOCUS_ABSOLUTE ctrl Previous versions of this patch-set can be found here: v6: https://lore.kernel.org/linux-media/20200518132731.20855-1-dongchun.zhu@mediatek.com/ v5: https://lore.kernel.org/linux-media/20200502161727.30463-1-dongchun.zhu@mediatek.com/ v4: https://lore.kernel.org/linux-media/20200330123634.363-1-dongchun.zhu@mediatek.com/ v3: https://lore.kernel.org/linux-media/20200228155958.20657-1-dongchun.zhu@mediatek.com/ v2: https://lore.kernel.org/linux-media/20190905072142.14606-1-dongchun.zhu@mediatek.com/ v1: https://lore.kernel.org/linux-media/20190708100641.2702-1-dongchun.zhu@mediatek.com/ Mainly changes of v7 are addressing comments from Rob, Sakari, Tomasz. Compared to v6: - Refine DT bindings - Use i2c_smbus_read_byte_data() directly to replace of dw9768_read_smbus() - Calculate operation time based on the configured board-specific DT settings - Abstract async register error handling case - Fix other review comments in v6 Please review. Thanks. Dongchun Zhu (2): media: dt-bindings: media: i2c: Document DW9768 bindings media: i2c: dw9768: Add DW9768 VCM driver .../bindings/media/i2c/dongwoon,dw9768.yaml | 100 ++++ MAINTAINERS | 8 + drivers/media/i2c/Kconfig | 13 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/dw9768.c | 566 +++++++++++++++++++++ 5 files changed, 688 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml create mode 100644 drivers/media/i2c/dw9768.c -- 2.9.2 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB32AC433DF for ; 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Fri, 5 Jun 2020 18:56:18 +0800 Received: from localhost.localdomain (10.17.3.153) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 5 Jun 2020 18:56:15 +0800 From: Dongchun Zhu To: , , , , , , , , , , Subject: [V7, 0/2] media: i2c: Add support for DW9768 VCM driver Date: Fri, 5 Jun 2020 18:54:10 +0800 Message-ID: <20200605105412.18813-1-dongchun.zhu@mediatek.com> X-Mailer: git-send-email 2.9.2 MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200605_040626_795442_5B59418B X-CRM114-Status: UNSURE ( 7.67 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, srv_heupstream@mediatek.com, shengnan.wang@mediatek.com, sj.huang@mediatek.com, linux-mediatek@lists.infradead.org, dongchun.zhu@mediatek.com, louis.kuo@mediatek.com, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello, This series adds DT bindings and V4L2 sub-device driver for Dongwoon's DW9768, which is a 10-bit DAC with 100mA output current sink capability. The driver controls the position with 10-bit DAC data D[9:0] and seperates two 8-bit registers to control the VCM position as belows. DAC_MSB: D[9:8](ADDR: 0x03): +---+---+---+---+---+---+---+---+ |---|---|---|---|---|---|D09|D08| +---+---+---+---+---+---+---+---+ DAC_LSB: D[7:0](ADDR: 0x04): +---+---+---+---+---+---+---+---+ |D07|D06|D05|D04|D03|D02|D01|D00| +---+---+---+---+---+---+---+---+ This driver supports: - set DW9768 to standby mode once suspend and turn it back to active if resume - set the desired focus via V4L2_CID_FOCUS_ABSOLUTE ctrl Previous versions of this patch-set can be found here: v6: https://lore.kernel.org/linux-media/20200518132731.20855-1-dongchun.zhu@mediatek.com/ v5: https://lore.kernel.org/linux-media/20200502161727.30463-1-dongchun.zhu@mediatek.com/ v4: https://lore.kernel.org/linux-media/20200330123634.363-1-dongchun.zhu@mediatek.com/ v3: https://lore.kernel.org/linux-media/20200228155958.20657-1-dongchun.zhu@mediatek.com/ v2: https://lore.kernel.org/linux-media/20190905072142.14606-1-dongchun.zhu@mediatek.com/ v1: https://lore.kernel.org/linux-media/20190708100641.2702-1-dongchun.zhu@mediatek.com/ Mainly changes of v7 are addressing comments from Rob, Sakari, Tomasz. Compared to v6: - Refine DT bindings - Use i2c_smbus_read_byte_data() directly to replace of dw9768_read_smbus() - Calculate operation time based on the configured board-specific DT settings - Abstract async register error handling case - Fix other review comments in v6 Please review. Thanks. Dongchun Zhu (2): media: dt-bindings: media: i2c: Document DW9768 bindings media: i2c: dw9768: Add DW9768 VCM driver .../bindings/media/i2c/dongwoon,dw9768.yaml | 100 ++++ MAINTAINERS | 8 + drivers/media/i2c/Kconfig | 13 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/dw9768.c | 566 +++++++++++++++++++++ 5 files changed, 688 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml create mode 100644 drivers/media/i2c/dw9768.c -- 2.9.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel